Chlorine cannot be used

Options

A. As bleaching agent
B. In sterilization
C. In preparation of antiseptic
D. For extraciton of silver and copper

Answer

**Step-by-Step Solution:**

1. **Understand the Uses of Chlorine:**
- Chlorine is a versatile chemical that has various applications. It is commonly known for its use as a bleaching agent in the textile and paper industries. Additionally, it is used in water treatment for sterilization purposes and in the production of antiseptics.

2. **Evaluate the Options Given:**
- The question implies that there are multiple uses of chlorine, and we need to identify which one it cannot be used for. The options typically include:
- A) Bleaching agent
- B) Sterilization
- C) Antiseptic preparation
- D) Extraction of silver and copper

3. **Analyze Each Option:**
- **Option A (Bleaching agent):** Chlorine is indeed used as a bleaching agent, so this option is not correct.
- **Option B (Sterilization):** Chlorine is also used for sterilizing water, making this option incorrect as well.
- **Option C (Antiseptic preparation):** Chlorine compounds can be used in antiseptics, thus this option is also incorrect.
- **Option D (Extraction of silver and copper):** Chlorine is not used for the extraction of metals like silver and copper. This is the correct option as it identifies a use that chlorine cannot fulfill.

4. **Conclusion:**
- Based on the analysis, the correct answer is that chlorine cannot be used for the extraction of silver and copper. Therefore, the answer is Option D.

**Final Answer:**
Chlorine cannot be used for the extraction of silver and copper (Option D).

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